Is there any other way to remove values in an array other than pop()?

Sometimes I found it's lagging when it comes to arrays. Is there any other way to remove elements?

7 Answers
Top Voted Recent Answer
1-7 of  7
7 Answers
Top Voted Recent Answer
  • Yes 👍 there are other ways besides pop() to remove values from an array:
    1. shift() → removes first element
    JavaScript
    arr.shift();
    2. splice() → removes from any position
    JavaScript
    arr.splice(1, 1); // remove 1 element at index 1
    3. filter() → remove by condition
    JavaScript
    arr = arr.filter(x => x !== 10);
    Short answer (exam):
    Yes, methods like shift(), splice(), and filter() can also be used to remove elements from an array.
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  • Yes—pop() only removes the last element of an array. There are several other ways to remove values in JavaScript arrays depending on what you need.
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  • Hello,
    There are many ways to remove an element from the array. It depends upon the scenario that which element you want to remove from an array. If you want to remove an element from begining then you can use shift() function. Suppose you want to remove element from the end then you can directly use length property. In case you want to delete an element from any specific position then you can use splice() function. Following is the example of every scenarios.

    E.x.
    // Remove element from end
    var arr = [1, 2, 3, 4, 5, 6];
    arr.length = 4;
    console.log( arr );

    // remove element from beginning
    var arr = [1, 2, 3, 4, 5, 6];
    arr.shift();
    console.log( arr );

    // Remove element from specific Position
    var arr = [1, 2, 3, 4, 5, 6];
    arr.splice(2,2);
    console.log( arr );

    // splice has two arguements. First is the index from where you want to start and the second is the number of elements you want to remove.
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  • I have no knowledge about it..
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  • you can declare them as null and the memory allocated using free() function
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